/* * Sun RPC is a product of Sun Microsystems, Inc. and is provided for * unrestricted use provided that this legend is included on all tape * media and as a part of the software program in whole or part. Users * may copy or modify Sun RPC without charge, but are not authorized * to license or distribute it to anyone else except as part of a product or * program developed by the user. * * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. * * Sun RPC is provided with no support and without any obligation on the * part of Sun Microsystems, Inc. to assist in its use, correction, * modification or enhancement. * * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC * OR ANY PART THEREOF. * * In no event will Sun Microsystems, Inc. be liable for any lost revenue * or profits or other special, indirect and consequential damages, even if * Sun has been advised of the possibility of such damages. * * Sun Microsystems, Inc. * 2550 Garcia Avenue * Mountain View, California 94043 */ #if defined(LIBC_SCCS) && !defined(lint) static char *rcsid = "$OpenBSD: pmap_getport.c,v 1.6 1997/09/22 05:11:08 millert Exp $"; #endif /* LIBC_SCCS and not lint */ /* * pmap_getport.c * Client interface to pmap rpc service. * * Copyright (C) 1984, Sun Microsystems, Inc. */ #include #include #include #include #include #include static struct timeval timeout = { 5, 0 }; static struct timeval tottimeout = { 60, 0 }; /* * Find the mapped port for program,version. * Calls the pmap service remotely to do the lookup. * Returns 0 if no map exists. */ u_short pmap_getport(address, program, version, protocol) struct sockaddr_in *address; u_long program; u_long version; u_int protocol; { u_short port = 0; int sock = -1; register CLIENT *client; struct pmap parms; address->sin_port = htons(PMAPPORT); client = clntudp_bufcreate(address, PMAPPROG, PMAPVERS, timeout, &sock, RPCSMALLMSGSIZE, RPCSMALLMSGSIZE); if (client != (CLIENT *)NULL) { parms.pm_prog = program; parms.pm_vers = version; parms.pm_prot = protocol; parms.pm_port = 0; /* not needed or used */ if (CLNT_CALL(client, PMAPPROC_GETPORT, xdr_pmap, &parms, xdr_u_short, &port, tottimeout) != RPC_SUCCESS){ rpc_createerr.cf_stat = RPC_PMAPFAILURE; clnt_geterr(client, &rpc_createerr.cf_error); } else if (port == 0) { rpc_createerr.cf_stat = RPC_PROGNOTREGISTERED; } CLNT_DESTROY(client); } if (sock != -1) (void)close(sock); address->sin_port = 0; return (port); }